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Building combined cooling heating and power system and method based on proton exchange membrane fuel cell

A proton exchange membrane, combined cooling, heating and power technology, applied in solid electrolyte fuel cells, fuel cells, heating methods, etc., can solve the problems of low temperature cold start of fuel cells, lack of attention and lack of solutions, etc. Optimizing operation mode, improving energy utilization rate, and stabilizing the effect of cogeneration

Pending Publication Date: 2022-02-15
SOUTHEAST UNIV
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  • Application Information

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Problems solved by technology

At present, for the fuel cell combined heat and power system, less attention has been paid to the low-temperature cold start of the fuel cell, and there is a lack of corresponding solutions

Method used

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  • Building combined cooling heating and power system and method based on proton exchange membrane fuel cell
  • Building combined cooling heating and power system and method based on proton exchange membrane fuel cell
  • Building combined cooling heating and power system and method based on proton exchange membrane fuel cell

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Embodiment Construction

[0058] The specific implementation manner of the present application will be described below with reference to the accompanying drawings.

[0059] The building cogeneration system based on proton exchange membrane fuel cell of this embodiment can refer to figure 1 , including a fuel cell module 1, which includes a proton exchange membrane fuel cell 101 and a reactant gas supply unit, and also includes:

[0060] Heat recovery module 2, which includes a heating circulating water circuit and a non-heating circulating water circuit connected in parallel between the cooling water inlet and outlet of the proton exchange membrane fuel cell 101, the heating circulating water circuit is used to heat the cooling water, and the non-heating circulating water The circuit supplies the heat of the cooling water to the heat storage module 3 through the heat exchanger 507 connected in series on its pipeline;

[0061] Heat storage module 3, which includes a buffer water tank 602, a hot water s...

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Abstract

The invention relates to a building combined cooling heating and power system and method based on a proton exchange membrane fuel cell. The system comprises a fuel cell module, a heat recovery module, a heat storage module and an electric energy management module. The heat recovery module is used for heating cooling water of the fuel cell module and supplying heat of the cooling water to the heat storage module through a heat exchanger; the heat storage module is connected with the heat exchanger through a buffer water tank to form a loop so as to recover heat of the cooling water and provide a heat source and a water source for heating equipment and a user hot water load respectively through a heat storage water tank; the electric energy management module includes a user electrical load and refrigeration equipment that may be powered by the fuel cell module. By heating the cooling water, the problem that the cathode side is frozen during cold start of the fuel cell is solved, the service life of the cell is prolonged, and the operation stability of the system is improved. Waste heat generated by operation of the fuel cell is reasonably utilized, an efficient combined cooling heating and power system is formed, and the comprehensive energy utilization rate of the system is increased.

Description

technical field [0001] The present application relates to the technical field of fuel cell cogeneration, in particular to a building cogeneration system and method based on proton exchange membrane fuel cells. Background technique [0002] Compared with traditional fossil fuels, hydrogen has the advantages of high efficiency, cleanliness and sustainability. The current main method of utilizing hydrogen is to convert and utilize the chemical energy released by the reaction of hydrogen and oxygen to form water. The chemical energy released by the reaction of hydrogen and oxygen to generate water can be converted into electrical energy through the fuel cell. The fuel cell is used as the power supply method for power generation equipment. Its efficiency is not limited by the Carnot cycle efficiency. There are no rotating moving parts during operation, and the noise is low. It also has the advantages of fast response to load changes, good power supply stability, clean and pollut...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F5/00F24F13/30H01M8/10H01M8/04223
CPCF24F5/0046F24F13/30H01M8/10H01M8/04268F24F2005/0064Y02E60/50
Inventor 蔡亮孔令玺马振西高候畅王慧敏
Owner SOUTHEAST UNIV
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